environment experts believe lawmakers are taking the situation seriously. >> there is a political ownership of that change. the government is certainly more responsive, but in terms of action, and implementation is a problem and there is a lot of slack, even now. >> whenever the experts say, it is people with breathing problems to suffer the most. this man has had asthma all his life and his condition gets worse. >> we cannot inhale that. we're not comfortable breathing that air. i usually go to the park in the morning but i don't feel like it when there is smog. >> local authorities are planning to place electric signboards to warn drivers about pollution and encourage them to keep their cars at home. activists say it's a start but what they want to see is a better public transport policy and a secure cycling lane it to encourage drivers to leave their cars at home and keep pollution and smog at bay. >> the president of venezuela remained in cuba where he has been treated for cancer. a spokesman says he's overcome a respiratory infection and is still politically active. >> he has been care